user manual OES-Switch V1.2 engl.€¦ · sometimes labelled with RCA or COMPOSITE video out). It is not possible to connect RGB and FBAS video sources to the OES-Switch V1.2 at the

page 1 of 21 date: 23.12.2006 6:56

C-Chef user manual OES-Switch V1.2

Onboard Entertainment System

OES-Switch V1.2

user manual

Fig. 1: OES-Switch V1.2

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1. descriprion OES-Switch V1.2:

The OES-Switch allows the connection of up to 3 video sources to the CID-Interface

V3.x / V4.x.

It is possible to connect either 3 RGB-video sources (e.g. devices with a SCART-

connector) or 3 FBAS-video sources (devices with yellow chinch connector,

sometimes labelled with RCA or COMPOSITE video out).

It is not possible to connect RGB and FBAS video so urces to the OES-Switch

V1.2 at the same time!

If different video formats (e.g. VGA, RGB and FBAS) are to be connected to the

OES-Switch V1.2, the video signals must be converted by appropriate VGA->RGB or

FBAS->RGB converters to the RGB video format before being connected to the

OES-Switch.

The colour info display (CID) in the car can still accept video signals in RGB-format

only. This fact requires an FBAS->RGB-converter (e.g. LEK-CCR2SRGB) if the

connected video sources provide FBAS-video signals. The OES-Switch V1.2 has

suitable terminals for the connection of this type of converter including video out for

the converter, video in from the converter and power supply connection (7.5V).

If video devices with RGB-video outputs are used, no conversion of video signals is

necessary and the devices can be connected directly to the OES-Switch.

Additionally to the 3 video sources, the OES-Switch is capable of switching up to 3

stereo audio signals to one audio output which can be fed into a FM-modulator for

instance. That means that both the video and audio signals of up to 3 sources can be

selected by the OES-Switch V1.2.

The OES-Switch is equipped with screw terminals to supply 12V-power to 4 external

devices (e.g. 3 video devices and one FM-modulator). The 12V-power supply can be

switched on and off by the OES-Switch and can supply a total current of 4 A for all

devices. The terminals are protected by a 4 A fuse to avoid damage in case of short

circuit.

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The OES-Switch is controlled by two high quality push-buttons with LED-illumination

(optional, see figure 2 and 3). One button switches the OES-Switch on and off and

the second button cycles through the connected video sources if pushed. When

switching between the video sources, the “Soft-Switching”-function of the CID-

Interface V4.x is supported (dim down – switch – dim up).

The LED-illumination of the push buttons indicates the operation mode and error

codes by blinking signals.

For each of the 3 video sources, in total 9 screen formats and video mirrored / not

mirrored are selectable independently by jumper settings. The brightness of the CID

for each video source can be adjusted by 3 potentiometers additionally if the CID-

Interface V4.x is used.

Fig. 2: push-buttons with LED-illumination

Fig. 3: high quality push-buttons

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2. audio and video connections overview:

Fig. 4: audio and video connections

CID-Interface

V3.x/4.x

3 Stereo- audio inputs

3.5 mm

3 FBAS- video inputs

Chinch

3 RGB- video inputs 5-pol. DIN

FBAS- output Chinch

RGB- input

5-pol. DIN

Audio- output

stereo 3.5 mm

FBAS-> RGB

LEK-CCR2SRGB out in

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3. screw terminals for main power in and push-butto ns:

Fig. 5: screw terminals for main power, push-buttons and LEDs

The main power supply can be directly connected to the battery power of the car (e.g.

12V power jack), because if the OES-Switch V1.2 is switched off, the power supply of

all connected external devices is interrupted by a relay. The OES-Switch itself goes

into sleep-mode to reduce its power consumption to minimum (< 3 mA). Thus the

OES-Switch can be operated also with the ignition switched off.

If the OES-Switch V1.2 shall not be controlled by the optional illuminated push-

buttons shown in figure 2 and 3, any other normally open-push buttons may be used.

For indication of the operating mode in this case, common LEDs may be connected

to the screw terminals as shown in figure 5. Additional resistors for the LEDs are not

required!

GND (Kl.31)

+12V (Kl.30)

OES-SW

OES-LED

Power-LED

PW-SW Main power input

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4. screw terminals for power out connections (12V-O ut):

Fig. 6: screw terminals 12V-Out

Up to 4 external devices (e.g. DVD-player, DVB-T receiver, camera and FM-

modulator) can be connected to these screw terminals providing 12V-power.

All GND-pins and all +12V-pins are bridged, protected by a 4A-fuse and the 12V-

power is switched by a relay if the OES-Switch is switched on. The maximum power

consumption of all connected devices in parallel must not exceed 4 A at any time,

otherwise the fuse will blow and must be replaced!

Please regard that the main power supply of the OES-Switch V1.2 must be

connected to a source which is capable to provide a current of 4 A minimum, such as

the car’s 12V-power jack (fused with 10 A).

+12V

+12V

+12V

+12V

GND

GND

GND

GND

ext. device 1

ext. device 2

ext. device 3

ext. device 4

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5. description of the inputs and outputs of the FBA S->RGB-converter:

Fig. 7: inputs and outputs for the FBAS-RGB-converter

If FBAS-video sources are to be used, the signal must be converted to RGB-video

format prior to being fed into the CID via the CID-Interface. All necessary inputs and

outputs for the converter are available on the OES-Switch V1.2 as described in figure

7. The jumper JP7 determines if the OES-Switch works in RGB-video mode or FBAS-

video mode.

For FBAS-video mode, the jumper must be set to link the pins 2 and 3.

GND +7.5V

FBAS-output (Chinch)

RGB-input (5-pol. DIN)

RGB-output (SCART)

FBAS-input (Chinch)

7.5V-input power supply

FBAS->RGB-converter LEK-CCR2SRGB

jumper JP7 configures FBAS or

RGB-operating mode

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6. description of the external dimming:

Fig. 8: brightness potentiometer

These potentiometers allow the brightness adjustment of the CID for each external

video source (both RGB and FBAS) between 0-100%. The user can adjust his

preferred brightness level according to his personal requirements.

As already described in the installation manual of the CID-Interface V4.2, the

maximum brightness level of the CID is always limited by the car, that means the

brightness can only be reduced below the car’s setting but never exceed them.

Thus the maximum brightness of the CID can only be reached when the headlights

are switched off (car’s brightness setting = 100%).

Max. brightness of external video source 1 Min.



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7. jumper settings for screen format configuration:

Fig. 9: jumper settings for screen format configuration

Via 3 jumpers per video source (JP4-6), 9 different screen formats are selectable

independently for each video source. If the jumpers are left open, the screen format

is set to 16 x 9 full screen, all other settings are described in the appendix.

The jumpers JP1-3 allows to mirror the screen for each video source, e.g. if a rear

view camera for reversing is used.

If the CID-Interface V3.x is used, the pins 1 and 2 must be linked by a jumper to

mirror the screen, for the CID-Interface V4.x pins 2 and 3 must be linked. No jumpers

do not mirror the screen.

screen format

ext. video source 1

screen format

ext. video source 2 screen form

at ext. video source 3 screen m

irrored video source 1

screen mirrored

video source 2 screen m

irrored video source 3

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8. jumper settings for the operation modes of the O ES-Switch V1.2:

Fig. 10: jumper JP8

Fig. 11: jumper JP9

When jumper „2/3“ is set, the OES-Switch only uses the first two video and audio inputs (for the use of only 2 video sources)

If CID-Interface V3.x is connected to the OES-Switch, this configuration jumper “V3/4” must be set. For CID-Interface V4.x the jumper must be left open

Jumper „V3.x“ must be set in case of the CID-Interface V3.x is connected to the OES-Switch V1.2. For CID-Interface V4.x the jumper must be left open

Jumper „FBAS-RGB“ must be set to pins 1 and 2 in case of RGB-video sources are connected to the OES-Switch. For FBAS-video sources using the FBAS->RGB-converter, the pins 2 and 3 must connected (see chapter 5).

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9. putting the OES-Switch V1.2 into operation:

The OES-Switch V1.2 can be easily connected with the devices because all video

and audio connections are made by connectors and the power supply and controls

are connected via screw terminals. All connectors and screw terminals are clearly

labelled for easy identification.

Optionally, the most common video adapter cables such as SCART to 5-pol. DIN

(with and without audio connections) are available for easy connection of external

video devices.

For creation of special customised adapter cables (RGB to 5-pol. DIN), the suitable

5-pol. DIN-male connector can be ordered separately (see appendix for pinout).

For audio connection, simple chinch cables (red / black to 3.5 mm stereo) may be

used alternatively if the video source provides female chinch audio connectors.

Standard FBAS-video chinch cables (yellow chinch) may be used to connect FBAS-

video sources the OES-Switch V1.2.

For best video performance, short high-quality video cables with good shielding are

recommended.

How to proceed with the installation:

Generally all connections with the OES-Switch should be made unpowered,

otherwise some components may be damaged when accidentally causing a short

during plugging connectors in.

� start with connecting the push-buttons with LEDs, refer to figure 5

� then connect the main power supply according figure 5 (e.g. to the 12V-power

jack), do not swap polarity!

� check if the OES-Switch can be switched on and off by pushing the power

button (PW-SW), otherwise check wiring

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� unplug the main power supply again and connect all video devices, audio

connections, power supply (12V-out), FBAS->RGB-converter (if required), FM-

modulator and the CID-Interface to the OES-Switch. Pay attention to the

polarity of the power supply!

� configure the OES-Switch V1.2 by jumpers (refer to chapter 8) for FBAS or

RGB-operation and CID-Interface V3.x or V4.x

� for FBAS-video operation connect the FBAS->RGB-converter as shown in

chapter 5 and 10, for RGB-operation connect as shown in chapter 11

� connect the FM-modulator to the audio output of the OES-Switch, connect

audio outputs of video devices to the audio inputs of the OES-Switch

� connect the main power supply and check all functions of the OES-Switch

After a successful test, both push-buttons may be installed somewhere on the dash

board or between the gear shift and the handbrake. The plastic cover there can be

easily removed and holes for the buttons can be drilled.

The part can be also easily replaced later against a new one if necessary.

The OES-Switch itself can remain in the gloves box or can be placed on the left side

behind the gloves box after being wrapped into e.g. a soft foil to protect the circuit

from shorts and vibrations.

The OES-Switch V1.2 is operated by the two push-buttons only and switches the

power supply for the external video devices on and off. The user need not to access

the printed circuit board for normal operation, so it may disappear behind the gloves

box.

Only the jumpers and brightness settings must be adjusted prior to stowing the OES-

Switch away. Usually these settings are only made once.

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10. connecting FBAS-video devices to the OES-Swit ch V1.2:

Fig. 12: connecting FBAS-video sources:

12V

Out

CID-Interface

V3.x/4.x

FBAS- video source 1 e.g. DVB-T

12V in

Audio-chinch connection to 3.5 mm stereo

FBAS-> RGB LEK-CCR2SRGB

7.5V in

SCART FBAS out in

FM-modulator e.g. 88.5 MHz

Audio in 12V in

FBAS- video source 2

e.g. DVD

12V in

FBAS- video source 3

e.g. camera

12V in

Aud

io 3

Aud

io 2

Aud

io 1

Vid

eo 1

Vid

eo 2

Vid

eo 3

main power supply and illuminated push-buttons

page 14 of 21 date: 23.12.2006 6:56


11. connecting RGB / VGA-video sources to the OES -Switch V1.2:

Fig. 13: connecting RGB / VGA-video sources

CID-Interface

V3.x/4.x

RGB- video source 1 e.g. DVB-T

12V in

Audio-chinch connection to 3.5 mm stereo

FM-modulator e.g. 88.5 MHz

Audio in 12V in

RGB- video source 2

e.g. DVD

12V in

VGA- video source 3

e.g. Laptop

12V in

12V

Out

Aud

io 3

Aud

io 2

Aud

io 1

Vid

eo 1

Vid

eo 2

Vid

eo 3

main power supply and illuminated push-buttons

VGA->RGB converter

G.HandViewII 5V in

volt. Reg. 5V 12V

page 15 of 21 date: 23.12.2006 6:56


12. operating the OES-Switch V1.2:

The OES-Switch V1.2 is controlled by two push-buttons that have to be connected to

the screw terminals as described in chapter 3 (figure 5).

� push-button „Power-Switch“ (PW-SW):

If this button is pressed al least 0.5 seconds, the OES-Switch V1.2 switches

on and connects the main power supply to the “12V-Out” terminals via a relay

(see chapter 4).

All external video devices connected to these screw terminals are now

powered up and ready for operation. The “on-state”-condition is indicated by

the power-LED (see chapter 3) which is illuminated now.

After pressing the power-switch button again for approx. 1.5 seconds, the

power-LED flashes one time and switches off then. The OES-Switch V1.2

goes to the “off-state” and disconnects the “12V-Out” screw terminals from the

main power supply. All external devices are unpowered now.

The switch-off procedure initiated by pressing the power-switch at least 1.5

seconds can be executed at any time at any operation mode.

Being in the „off-state“-condition, the OES-Switch V1.2 goes into a sleep-mode

to reduce its own power consumption to minimum (typ. < 3 mA).

This sleep current is only a very small load for the car’s battery.

If the car shall not be used for a long time (several weeks), it is recommended

despite of the low sleep current to disconnect the OES-Switch V1.2 from the

battery power, e.g. by pulling out the appropriate fuse for the connection point

of the main power supply (e.g. the 12V power jack). In this case the OES-

Switch V1.2 cannot discharge the battery at all.

Alternatively a switch can be installed somewhere in the car to interrupt the

main power supply of the OES-Switch V1.2 if the car is not used for a long

time regularly.

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Hint: Depending on the current configuration, operation mode and selected

video device the “switch-off”-procedure may take several seconds in order to

allow the CID-Interface V4.x to execute the “Soft-Switching”-function (dim

down – switch – dim up). The power-LED however indicates the “switch-off”-

procedure immediately.

� push-button „OES-Switch“ (OES-SW):

If the OES-Switch V1.2 is switched on, pressing this button for a short time

(longer than 0.3 seconds but shorter than 3 seconds) causes the OES-Switch

to cycle through the video devices in the following sequence:

ext. video off -> video input 1 -> video input 2 -> video input 3 -> ext. video off

-> video input 1 -> …. etc.

In the „ext. video off“ status the CID shows the original radio screen, but the

power supply of all connected video devices is already switched on and the

video devices are ready for operation. As soon as the OES-switch is pressed

the next time, the OES-Switch V1.2 selects the video input 1 using the “Soft-

Switching”-function and the external video picture is immediately available.

After pressing the OES-switch again, the OES-Switch V1.2 selects the video

input 2 using the “Soft-Switching”-function.

During the „Soft-Switching“-function, the new audio source of the next video

input is selected exactly in the middle of the switching procedure. At that time

the brightness of the CID is reduced to 0% (dark) and the corresponding audio

signal of the newly selected video source is fed into the FM-modulator to

always hear the sound of the active video source.

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The current operation mode is indicated by the OES-LED (see chapter 3). In

the “ext. video off”-state the OES-LED is switched off, after switching to video

input 1 the OES-LED goes on. When switching to video input 2, the OES-LED

blinks two times and stays on then. Switching to video input 3, the OES-LED

blinks three times and stays on then.

„Instant-Off“-function: If the „ext. video off”-state shall be reached as fast as

possible in order to see the original radio screen for e.g. the navigation, the

button “OES-switch” must be pressed and held for approx. 3 seconds.

Doing so the OES-Switch V1.2 switches off the external video immediately

without cycling through all remaining video inputs.

The OES-LED is switched off entering the “ext. video off”-state.

If the „Instant-Off“-function was used the last time, pressing the „OES-switch“-

button again will make the OES-Switch V1.2 to immediately switch to the last

selected video input. The OES-LED indicates the currently selected video

input by blinking signals as described above.

Hint: If the jumper „2/3“ is set (JP8), the OES-Switch V1.2 is limited to only 2

video and audio inputs. That means after the selected video input 2 the “ext.

video off”-state follows instead of video input 3.

When jumper „V3/4“ is set (JP8), the OES-Switch V1.2 is configured for

operation with the CID-Interface V3.x. In this mode the “Soft-Switching”-

function as well as the dimming settings adjusted by the potentiometers are

disabled because the CID-Interface V3.x does not support these functions.

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13. voltage monitoring of the main power supply:

During operation of the OES-Switch V1.2, the main power supply voltage (equal to

battery voltage) is monitored constantly.

If the voltage drops below 11V, the power-LED starts to blink slowly (approx. one

time per second). The engine should be started to charge the battery again or the

OES (onboard entertainment system) should be switched off soon to prevent

discharging the battery too much.

If the voltage should drop below 9V, the power-LED starts to blink quickly (approx.

three times per second). A this point the battery is critically discharged already and

the OES must be switched off immediately to protect the battery from a harming deep

discharge!

The screw terminals „12V-Out“ are protected against overcurrent by a 4A-fuse. If the

fuse should be blown, the OES-Switch V1.2 indicates this error condition by blinking

the power-LED in the following sequence: long – short – long – short – long – short...

In this case the fuse must be replaced against a new one of the same type.

Hint: If the fuse should blow often despite of the operating current of all connected

external devices should be lower than 4 A, the reason could be a high switch-on

current of one or more devices. In this case a slow fuse is recommended instead of a

fast one.

Video devices consuming more power than available from the OES-Switch V1.2 must

not be connected to the “12V-Out” terminals! They must be connected directly to e.g.

the 12V power jack of the car and switched off or disconnected manually.

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appendix

� meaning of the LEDs mounted on the PCB of the OES-S witch V1.2:

Fig. 14: meaning of the LEDs mounted on the PCB

adressing signal B

adressing- signal A

signal ext. video on

VCC internal logic OK

OES-LED 12V-Out

OK

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� pinout of the RGB-inputs (5-pol. DIN-female connect or):

Fig. 15: pinout of the 5-pol. DIN-female connector

� configurable screen formats of the CID:

screen format JP4 (Mode 3) JP5 (Mode 2) JP6 (Mode 1)

16x9 full open open open

4x3 middle open open set 16x9 wide open set open

16x9 zoom a open set set 16x9 zoom b set open open

4x3 left set open set 4x3 right set set open

16x9 zoom c set set set

table 1: configurable screen formats of the CID via JP4-6

Pin 1: blue

Pin 4: green

Pin 2: GND

Pin 5: red Pin 3:

Csync

page 21 of 21 date: 23.12.2006 6:56


� pinout of the 15-pol. SubD-connector (CID-Interface V3.x / V4.x):

Fig. 16: pinout of the SubD-connector of the CID-Interface

pin signal description cable colour

inside the

connector

1 Inp

12V

reserved for future use at V4.x

power supply at V3.x

white

2 Free

3 Dim.

Dim. Inh.

external dimming 0V-5V at V4.x

CID-dimming inhibit at V3.x

red/blue

4 Free

5 Blue video signal blue (RGB) blue

6 Green video signal green (RGB) green

7 Red video signal red (RGB) red

8 Csync video signal Csync (RGB) yellow

9 GND GND CID-Interface black

10 Vid.on Signal for switching to external video grey/purple

11 Mode1 CID screen format setup input 1 violet

12 Mode2 CID screen format setup input 2 purple

13 Mode3 CID screen format setup input 3 grey

14 Mirror switching signal for mirror the screen brown

15 Free

table 2: pinout of the SubD 15-pol. connector of the CID-Interface V3.x / V4.x

Pin 1 Pin 8

Pin 15 Pin 9

Documents

user manual OES-Switch V1.2 engl.€¦ · sometimes labelled with RCA or COMPOSITE video out). It is not possible to connect RGB and FBAS video sources to the OES-Switch V1.2 at the